—Let's stop here for a cup of coffee.

—Sounds great, but to tell the truth, I didn't bring any money.

—________

—Thanks. Next time it's my turn.

1. A.
   No problem.
2. B.
   That's OK. It's your turn.
3. C.
   That's too bad. How about tea?
4. D.
   Well, let's have something else.